(19)
(11) EP 2 017 259 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.04.2011 Bulletin 2011/15

(43) Date of publication A2:
21.01.2009 Bulletin 2009/04

(21) Application number: 08168440.9

(22) Date of filing: 11.12.2006
(51) International Patent Classification (IPC): 
C07C 227/32(2006.01)
C07C 229/08(2006.01)
 C07C 255/19(2006.01)
C12P 41/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 21.12.2005 US 752839 P

(62) Application number of the earlier application in accordance with Art. 76 EPC:
06831738.7 / 1973867

(71) Applicant: Pfizer Products Inc.
Groton, CT 06340-5146 (US)

(72) Inventors:
  • Evans, Margaret Claire
    Kalamazoo, MI 49007 (US)
  • Franklin, Lloyd Charles
    Upton, MA 01568 (US)
  • Murtagh, Lorraine Michelle
    Sandwich, Kent CT13 9NJ (GB)
  • Nanninga, Thomas Norman
    Kalamazoo, MI 49009 (US)
  • Pearlman, Bruce Allen
    West Field, NJ 07090 (US)
  • Saenz, James Edward
    Groton, CT 06340 (US)
  • Panesar, Niamh Josephine
    Sandwich, CT13 9NJ (GB)

(74) Representative: Ruddock, Keith Stephen 
Pfizer Limited European Patent Department Ramsgate Road
Sandwich Kent CT13 9NJ
Sandwich Kent CT13 9NJ (GB)

   


(54) Preparation of gamma-amino acids having affinity for the alpha-2-delta protein


(57) Disclosed are materials and methods for preparing optically active γ-amino acids of Formula 1,

which bind to the alpha-2-delta (α2δ) subunit of a calcium channel.







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